Herbal uterus warm patch is a self heating warm paste designed for uterus cold. The unique shape is designed to suit to paste on Guanyuan acupoint. Add ginger, wormwood, saffron, Herba Leonuri and other herbal extracts to regulate menstruation, relieve menstrual pain, and keep the body warm. It is recommended to use one week before menstruation, one week of menstruation, one week after menstruation, which makes the effect better.